Cryptocurrencies to keep alive central banks

Past week, the Director of the International Monetary Fund Christine Lagarde urged central banks to evaluate the issue of digital currencies. Now Zoe Schneeweiss on Bloomberg collects the opinion of Professor Eswar Prasad of Cornell University. The academic believes that cryptocurrencies are the only instrument able to guarantee relevance to central banks in a time of disappearing cash.
Central-bank digital currencies would crimp illegal activity linked to cash.